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Finding the Fourth Proportional to 170.73, 234.32 and 152.84

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Solution

The fourth proportional to 170.73, 234.32 and 152.84 is: 209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.73 : 234.32 = 152.84 : x
  2. Step 2: Convert to fraction form
    170.73/234.32 = 152.84/x
  3. Step 3: Cross multiply
    170.73x = 234.32 × 152.84
  4. Step 4: Simplify right side
    170.73x = 35,813.29
  5. Step 5: Solve for x
    x = 35,813.29/170.73
  6. Step 6: Final answer
    x = 209.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.